YKCA 48
Indoor unit
C B A N
C1
2 3
1
6
4 5
K3
XT1
XT 2
F AN1
POWE R
DI SPLAY BOARD
M
CAP1
T4
MAI N CONTROL BOARD
Y/G
CN15
CN10
CN11
CN16
CN14
CN1
CN2
CN 3
CN7
CN8
CN12
PUMP
Y/ G
XP1
XS 1
BLUE
RED
XS 7
T O OUTDOOR UNIT
TO OUTDOOR UNIT
WIRI NG DIAGRAM
( INDOOR UNIT)
XP 7
RT 2
RT 1
CN20 ( RED)
( WHI TE)
RE
D(A1)
T O WI RE CONTROL LER
XS1- XS2, XS7
XP1- XP2, XP7
CN1- 16
RT 2
RT 1
T4
XT 1, XT2
CAP1
M
FAN1
PUMP
6- WAY TERMINAL
POWERTRANSFORME R
ROOM TEMPERATURE
PI PE TEMPERATURE
CONNECTORS
CONNECTORS
P. C BOARD SOCKET S
K3
WATERLEVEL SWIT CH
CODE
PART NAME
I NDOOR F AN MOTOR
SWI NG MOTOR
I NDOOR FAN CAPACI TOR
PUMP
CN20
NET CONTROL INTERFACE
22 04 27 9 00 2
Outdoor unit
BLUE( N)
B LACK
BL ACK( L3)
BLACK( L2)
BLACK( L1)
BLACK ( L1)
BLACK( L2)
BLACK( L3)
BLUE
BLUE
BLUE( N)
R
ED
(A
1)
B
LA
CK
(H
I)
BLACK( HI )
RE
D(
A
1)
BL
ACK
(L
1)
BL
AC
K(
L2)
BL
ACK
(L
3)
BL
UE(
N
)
BLUE(N )
BL
UE
(N)
B LUE
BLACK
BLACK
X T3
XT4
2
1
3
XT6
A B
N
C
HEAT
U
Y/G
COMP
W
21
V
22
CN100- 208
P. C. BOARD SOCKET S
T EMP. PROTECT SWIT CH
ROOM TEMP. SENSO R
TRANSFORMER
5- WAY TERMI NAL
XT3
T 5
RT4
K1
4- WAY T ERMI NA L
CONNECTOR
HI GH PRESSURE SWI TCH
CRANK
AC CONTACTOR
PI PE TEMP. SENSOR
CONNECTORS
CURRENT DETECTOR
RT3
XP8-9
H- PR O
T201
XT5-7
XT4
KM1
HEAT
MAI N CONTROL BOARD
RT3
CN
20
6
CN201
XT5
XP
8
XS8
CN100
CN
20
8
CN200
K M1
A1
3
1
5
A2
2
4
6
CN
2
03
T20 1
T5
WI RI NG DI AGRAM
FAN CAP.
COMPRESSOR
OUTDOOR FAN
PART NAME
COMP
CODE
CONNECTORS
XS8-9
FAN3
CAP 3
FAN3
CAP3
4
H- PRO K1
Y /G
RED( LOW)
RED
C
N
9
L-P RO
